894257746656 has 48 divisors (see below), whose sum is σ = 2410870556304. Its totient is φ = 290029538304.

The previous prime is 894257746651. The next prime is 894257746729. The reversal of 894257746656 is 656647752498.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894257746651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125877325 + ... + 125884428.

It is an arithmetic number, because the mean of its divisors is an integer number (50226469923).

Almost surely, 2^894257746656 is an apocalyptic number.

It is an amenable number.

894257746656 is an abundant number, since it is smaller than the sum of its proper divisors (1516612809648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

894257746656 is a wasteful number, since it uses less digits than its factorization.

894257746656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251761803 (or 251761795 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 69.

The spelling of 894257746656 in words is "eight hundred ninety-four billion, two hundred fifty-seven million, seven hundred forty-six thousand, six hundred fifty-six".